Preheat the oven to 350°F,Line a 9x5-inch loaf pan with parchment or waxed paper.,Combine the cornmeal, flour, baking soda and salt; set aside.,Beat the egg whites until stiff; set aside.,Cream the butter, sugar and lemon zest until fluffy, then add the egg yolks and mix well.,Add the lemon juice and milk alternately with the dry ingredients.,Blend just until the dry ingredients are moistened.,Carefully fold in the beaten egg whites.,______,Bake for 50 to 60 minutes, or until a toothpick inserted near the center of the cake comes out clean.,Let the cake cool for 15 minutes in the pan before turning out on a rack to cool.,Remove the lining paper and cool completely.,Slice, spread with lemon curd, top with whipped cream and berries.